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Young’s modulus distribution in the FEM models of bone tissue
PublikacjaThis paper presents how differences of Young’s modulus in adjacent finite elements typical for organic materials such as bone tissue, influence stress calculating. Emphasizing high computational cost of variable Young’s modulus in parts of the model, where the number of finite elements has been raised, the authors wants to prove that new model of finite element which has variable Young’s modulus in its volume needs to be created....
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Ziarnistość modułu Younga w modelach MES tkanki kostnej
PublikacjaPraca przedstawia wpływ zróżnicowania modułu Younga w sąsiednich elementach skończonych na obliczenia naprężeń, co jest charakterystyczne dla materiałów organicznych, m.in. tkanki kostnej. Przedstawiono duże koszty obliczeniowe uwzględniania zmienności modułu w obszarze zadania na drodze zagęszczania podziału na elementy skończone standardowe, z jednolitym modułem w obszarze elementu. Autorzy starają się udowodnić potrzebę stworzenia...
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An adaptive approach to non-destructive evaluation (NDE) of cast irons containing precipitated graphite particles with the help of magnetoacoustic emission
PublikacjaPhysical properties of cast irons strongly depend on both their microstructure and the presence of casting defects. The paper analyses the possibility of application of magnetoacoustic emission (MAE) for nondestructive detection of flawed cast iron components. The investigated samples containing dross, chunky graphite and lamellar graphite were compared with the reference, flawless, spheroidal cast iron sample. The optimisation...
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Synchronized six-step voltage generation in high-speed PMSM drive
PublikacjaSynchronized voltage generation has already been considered in the context of pulse width modulation (PWM). References prove that synchronized PWM substantially decreases subharmonics in inverter output voltage when operating with low switching-to-fundamental frequency ratio. This paper identifies problems of unsynchronized voltage generation in electric drives under six-step inverter operation. Guidelines for the synchronization...
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Impact of digital signal processing on FOC current feedback in high-speed PMSM drive
PublikacjaIn applications where size and weight of the electric motor are among major design concerns, Permanent Magnet Synchronous Motors (PMSMs) with wide operational speed-range are commonly preferred. Due to limited inverter switching frequency, high-speed operation of a drive results in a low ratio between the switching frequency and the fundamental frequency of motor voltage. Such operating conditions have been recently identified...
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Predicting Performance of Lightweight Concrete with Granulated Expanded Glass and Ash Aggregate by Means of Using Artificial Neural Networks
PublikacjaLightweight concrete (LWC) is a group of cement composites of the defined physical, mechanical, and chemical performance. The methods of designing the composition of LWC with the assumed density and compressive strength are used most commonly. The purpose of using LWC is the reduction of the structure’s weight, as well as the reduction of thermal conductivity index. The highest possible strength, durability and low thermal conductivity...
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Inverse heat transfer problem solution of sounding rocket using moving window optimization
PublikacjaAn Inverse Heat Transfer Problem is solved for a sounding rocket module given its geometry and measured temperature profile. The solution is obtained via moving window optimization, a technique for solving inverse dynamics. An analysis is performed to modify the method to avoid oscillatory behavior of the resulting heat flux profile. The method parameters are tuned in relation to characteristic phases of the flight. Results are...
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A method to determine the tightening sequence for standing rigging of a mast
PublikacjaThe article proposes an alternative method to determine the sequence of generation of pre-tension forces in standing rigging of a mast. The proposed approach has been verified on both a virtual simulation experiment and laboratory tests. In this method, the desired tension values are obtained using the influence matrix which allows to calculate the effect of tension change in an individual rope on the tension distribution in the...
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Utility analysis and rating of energy storages in trolleybus power supply system
PublikacjaThe article discusses two energy storage applications in power supply system of public electrified transport. The first application aims at reducing the peak power of the traction substation. The second application increases effectiveness of using solar power plant to cover partial power demand of traction supply system. These two applications were discussed and analyzed based on trolleybus supply system in Gdynia, where most measurements...
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Practical Eco-Driving Strategy for Suburban Electric Multiple Unit
PublikacjaIn this paper, a practical approach to velocity profile optimization for electric multiple unit was presented. The study focuses on a case of fast urban railway, which is a popular mean of transport across Tricity, Poland. Based on observations and measurements, a potential for improvement of energy efficiency by modifying the speed profile was recognized. In order to conduct necessary calculations, simulation model of railway...
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Complementary and alternative medicine (CAM) use among patients with cancer undergoing palliative care: A pilot study of a single institution in Poland.
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Potentilla erecta extract inhibits arterial thrombosis in rat
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Dirac fermions and possible weak antilocalization in LaCuSb2
PublikacjaLayered heavy-metal square-lattice compounds have recently emerged as potential Dirac fermion materials due to bonding within those sublattices. We report quantum transport and spectroscopic data on the layered Sb square-lattice material LaCuSb2. Linearly dispersing band crossings, necessary to generate Dirac fermions, are experimentally observed in the electronic band structure observed using angle-resolved photoemission spectroscopy,...
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Psychologia Transportowa- Transport V semestr
Kursy OnlineKurs przeznaczony dla studentów V semestru WILiŚ- Transport.
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Influence of Operation Conditions on Temperature Hazard of Lithium-Iron-Phosphate (LiFePO4) Cells
PublikacjaThe article presents and discusses the results of research on hazard, especially temperature, for selected lithium-ion-phosphate cells operated in accordance with the manufacturer’s recommendations but used under onerous mining conditions. This applies to the performance of cells in battery sets without the application of any management system (BMS). On the basis of the obtained test results, first of all, the influence of the...
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Controlling the europium oxidation state in diopside through flux concentration
PublikacjaThis paper explores the connection between the H3BO3 flux concentration and the co-existence of Eu2+ and Eu3+ dopants within CaMgSi2O6 crystals (diopside). The samples were synthesised using a solid-state synthesis method under varying atmospheric conditions, including oxidative (air), neutral (N2), and reductive (H2/N2 mixture) environments. Additionally, some materials underwent chemical modification by partially substituting...
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Lanthanide ions (Eu3+, Er3+, Pr3+) as luminescence and charge carrier centers in Sr2TiO4
PublikacjaA series of strontium orthotitanate (Sr2TiO4) samples doped with 2% of a mole of europium, praseodymium, and erbium were obtained using the solid-state synthesis method. The X-ray diffraction (XRD) technique confirms the phase purity of all samples and the lack of the influence of dopants at a given concentration on the structure of materials. The optical properties indicate, in the case of Sr2TiO4:Eu3+, two independent emission...
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Valuable natural products from marine and freshwater macroalgae obtained from supercritical fluid extracts
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EU Project of Life Programme “Algae Service for Life” Creates Tools for Ecological Service to Mitigate Cyanobacteria and Macroalgae Blooms in Freshwater Ecosystems
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Theoretical Investigation of the Coronavirus SARS-CoV-2 (COVID-19) Infection Mechanism and Selectivity
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Ultrasensitive internally quenched substrates of human cathepsin L
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Simplified, serine‐rich theta‐defensin analogues as antitumour peptides
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A Peptidomimetic Fluorescent Probe to Detect the Trypsin β2 Subunit of the Human 20S Proteasome
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Synthesis and Evaluation of Biological Activity of Antimicrobial – Pro-Proliferative Peptide Conjugates
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Development of sensitive cathepsin G fluorogenic substrate using combinatorial chemistry methods
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Design of serine proteinase inhibitors by combinatorial chemistry using trypsin inhibitor SFTI‐1 as a starting structure
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Designing of Substrates and Inhibitors of Bovine α-Chymotrypsin with Synthetic Phenylalanine Analogues in Position P1
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Antithrombotic Potential of Tormentil Extract in Animal Models
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Aspekty Edukacyjne Wirtualnych Światów. Aplikacja Second Life
PublikacjaArtykuł koncentruje się na trójwymiarowych środowiskach wirtualnych i ich funkcjonalności edukacyjnej na przykładzie świata Second Life. Wbrew opiniom pojawiającym się od czasu do czasu w literaturze przedmiotu światy wirtualne 3D nie odchodzą w przeszłość, przynajmniej nie w sektorze edukacyjnym. Autorzy artykułu próbują to wykazać,przedstawiając różne aspekty Second Life w zastosowaniach dydaktycznych, naukowych,...
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Low and high field sites of Cr3+ ions in calcium tetraborate glasses
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Zasadność nauczania podstaw projektowania i analizy użyteczności ergonomicznych interfejsów użytkownika (GUI)na studiach technicznych
PublikacjaInterfejs jest elementem, który decyduje o tym jak dany produkt (aplikacja, system, urządzenie) jest użytkowany, oceniany i odbierany przez użytkownika. Użyteczność jest kluczowym atrybutem jakości produktu, miarą tego jak szybko i łatwo użytkownik nauczy się z niego korzystać.Współczesny rozwój technologii i konkurencyjności na rynku wymusza na projektantach (inżynierach) znajomość metod i technik projektowania GUI.Autorzy referatu...
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Corporate governance and propensity to share information: The long-run effect
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FE<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub> and Bentonite Use to Reduce COD Indicators in Wastewater Containing Detergents
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Substrate profiling of Finegoldia magna SufA protease, inhibitor screening and application to prevent human fibrinogen degradation and bacteria growth in vitro
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Analysis of the Link between the Redox State and Enzymatic Activity of the HtrA (DegP) Protein from Escherichia coli
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Increasing the conductivity of v2o5-teo2 glass by crystallization: structure and charge transfer studies
Dane BadawczeThis is the dataset concerning the publication titled: Increasing the conductivity of V2O5-TeO2 glass by crystallization: structure and charge transfer studies. In this dataset raw data and origin project concerning this article can be found.
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The Influence of Synthesis Temperature on Manufacturing and Properties of SrSi2O2N2:Eu2+ Powders
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Geometry optimization of steroid sulfatase inhibitors - the influence on the free binding energy with STS
PublikacjaIn the paper we review the application of two techniques (molecular mechanics and quantum mechanics) to study the influence of geometry optimization of the steroid sulfatase inhibitors on the values of descriptors coded their chemical structure and their free binding energy with the STS protein. We selected 22 STS-inhibitors and compared their structures optimized with MM+, PM7 and DFT B3LYP/6–31++G* approaches considering separately...
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Umowa rezultatu : Umowa starannego działania
PublikacjaOpracowane w publikacji hsła ''mowa rezultatu'' i ''Umowa starannego działalnia'' poddają analizie umowy, których istotą jest bądź rezultat bądź właśnie staranne działanie. M to szczególne znaczenie w praktyce bowiem od tego typu wyróżnienia uzależnia się stosowanie odpowiednich przepisów i kwalifikację prawną całej umowy - w tym prawa i obowiązki jej stron. W opracowaniu uwzględniono przede wszystkim świadczenie usług medycznych...
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Maternal immune activation leads to age-related behavioral and immunological changes in male rat offspring - the effect of antipsychotic drugs
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Catalase activity in blood fractions of patients with sporadic ALS
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Study of persistent luminescence and thermoluminescence in SrSi2N2O2:Eu2+,M3+(M = Ce, Dy, and Nd)
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Prenatal stress affects insulin-like growth factor-1 (IGF-1) level and IGF-1 receptor phosphorylation in the brain of adult rats
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A new animal model of (chronic) depression induced by repeated and intermittent lipopolysaccharide administration for 4months
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A new fuzzy model of multi-criteria decision support based on Bayesian networks for the urban areas' decarbonization planning
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Ciliary phenotyping in renal epithelial cells in a cranioectodermal dysplasia patient with WDR35 variants
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Novel internally quenched substrate of the trypsin-like subunit of 20S eukaryotic proteasome
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Distance between the Basic Group of the Amino Acid Residue's Side Chain in Position P1of Trypsin Inhibitor CMTI-III and Asp189in the Substrate Pocket of Trypsin Has an Essential Influence on the Inhibitory Activity
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Peptomeric analogues of trypsin inhibitor SFTI-1 isolated from sunflower seeds
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A simple method for selection of trypsin chromogenic substrates using combinatorial chemistry approach
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